Finding the Fourth Proportional to 173,401.23, 239,265.81 and 105,381.84
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Solution
The fourth proportional to 173,401.23, 239,265.81 and 105,381.84 is: 145,409.99
Step by Step Solution
- Step 1: Write the proportion equation
173,401.23 : 239,265.81 = 105,381.84 : x - Step 2: Convert to fraction form
173,401.23/239,265.81 = 105,381.84/x - Step 3: Cross multiply
173,401.23x = 239,265.81 × 105,381.84 - Step 4: Simplify right side
173,401.23x = 25,214,271,306.89 - Step 5: Solve for x
x = 25,214,271,306.89/173,401.23 - Step 6: Final answer
x = 145,409.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.